triangular and rectangular pyramid volume

On a trip to Oregon, Sabrina bought a small stone in the shape of a square pyramid as a souvenir. Determine the volume of the stone. Round to the nearest tenth. 

• 4.5 in ³
• 6 in ³
• 6.75 in ³
• 1.5 in ³

To find the volume of a rectangular pyramid, you must first find the area of the rectangular base then multiply by the height of the pyramid finally, dividing by 3.

• True
• False

The area of the base of this rectangular pyramid can be found by using which equation?

• B = 8x9
• B = 8 x 8
• B = 1/3 (8 x 8)
• B = 1/3 (8 x 9)

Find the volume of a rectangular pyramid with the length and width 4in and 5in, and the height of 6in.

• 100in³
• 90in³
• 60in³
• 40in³

The volume of a triangular pyramid is 10 cubic inches. The base is a right triangle with a length of 4 inches and height of 3 inches. What is the height of the pyramid, in inches?

• 2.5 inches
• 8 inches
• 6.5 inches
• 5 inches

A tetrahedron is a pyramid with a triangular base. Find the volume of the tetrahedron.

• 22 cubic inches
• 33 cubic inches
• 66 cubic inches
• 44 cubic inches

Find the volume of the figure.

• 1,800 cm³
• 900 cm³
• 600 cm³
• 750 cm³

A rectangular pyramid fits exactly on top of a rectangular prism. The prism has a length of 15 cm, a width of 5 cm, and a height of 7 cm. The pyramid has a height of 13 cm. Find the volume of the composite space figure.

• 1500 cm³
• 500 cm³
• 2275 cm³
• 850 cm³

What is the formula for the VOLUME of a PYRAMID?

• ¹/₂pl
• ⁴/₃(pi)r³
• ¹/₃Bh
• ¹/₃(pi)r²h

Find the volume of the figure. Round to the nearest whole number.

• 317 units³
• 635 units³
• 1,904 units³
• 890 units³